About INSERT INTO

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License Activation Change and Checking Activation

Hello! How does ObjectDB determine the machine ID? Yesterday I activated our license on my development laptop and today I tried to persist more than 1M objects. ObjectDB told me that it cant't do that because of the evaluation restrictions. Now I activated it again on the same machine and got a different activation code. With this code it works. The only difference I can think of is that my WiFi was disabled yesterday and today it's not. ... now around 800k persisted objects. I don't want to get into trouble when there's something wrong with the activation. ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
issue

[ObjectDB 2.3.7_08] Unexpected exception (Error 990)

Hello there, I've encountered InternalException from ObjectDB. Attached the stacktrace below. I would require your assistance and advise on resolving this issue. Likewise, I would provide any information that you require. Thank you. ... this issue as trivial and something developers should take into consideration.   ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
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Should I be able to persist a JFrame (or gui components in general)?

    I did the following: 1. (using Netbeans 8.02 & last available java 7 sdk) I sort of follow your tutorial(s) while applying the ideas to a sample that came with the IDE called GUIFormExamples (under samples). ... Java iterators--I learn them, and then forget and bump into them again--probably there's a better way to have done what I was ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
forum_thread

Is there a function of "drop table" or "delete from table"?

Besides the em.remove() one by one, is there a function of "drop table" or "delete from table"? TIA ... cause exceptions. Yes, you'd better to put it into manual, since "drop table" is often in debugging. I can not find "drop ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
forum_thread

Persisting collection where members are subclasses

OK, I have a number of classes which are all subclasses of Entry (e.g., Folder, Link, Book). In the Folder class, there is a @OneToMany Map<String, Entry> children If I store something in that map which is an Entry, then I can persist just fine. But if I try to put any of the subclasses into the map, then I get  ... just fine. But if I try to put any of the subclasses into the map, then I get  [ObjectDB 2.3.6] ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - select a style in the toolbar and then insert the text in the new created block. Avoid overflow of ...

 
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Sample JDO Architecture for Follow Up Questions

I am trying to finalize on my application's JDO and ObjectDB archieture.  I have done documentation survey (reading JDO books, studying ObjectDB's documents and forum) and have designed what I think is the best architecture for my particular application usage model. ... the forum wisdom with all, I will break my questions into separate topic threads, but to answer the questions, an understanding of ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
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Run out of memory

Hi, I've been looking into ObjectDB for our use, where everything has been great apart from I'm stuck on the following problem.   I am trying to load a large file (> 1GB), process certain information and store it back in the database to access / modify later. I require to be able to rollback changes as well, where there can be massive amount of changes.   ... Hi, I've been looking into ObjectDB for our use, where everything has been great apart from I'm ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
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Failed to commit transaction: Java heap space (error 613)

Hi, the following exception occurred in our production machine last night: 2013-07-17 20:41:46,665 pdnsrttor3rc42-WSAgent-2-Existing/16 ERROR ObjectDbMessagePipe - Failed to put a message on queue:  pdnsrttor3rc42-ReportDSGroup_Instance-2 retrying = true [ObjectDB 2.4.6_10] javax.persistence.RollbackException Failed to commit transaction: Java heap space (error 613) We are using ObjectDB 2.4.6_10, JDK 7, and a 30GB heap space. ... heap space. The exception above took our server into an non-responsive state but left the JVM up, thus didn't trigger the ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
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Cast exception?

Somehow I am unable to persist an entity class I wrote with manual @Id. I have a small Player class and I wish to store it with user ID as the primary key. So I declared the (only) primary key field as: @Id public int uid; This is how I'm persisting the instance: ... to do with any method from ObjectDB. So I looked into the class loaders and found out: Getting class loader 1: ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
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Restrict by class in query

I have the following bit of code: ... When I put both a folder and a link with the same name into the database, and execute the above query, I get a List<Folder> with ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...